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Questions tagged [colors]

Questions related to screen/app colour problems on display devices running Ubuntu.

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How do I make dialog boxes readable on 23.04 and change menu type?

After installing a 1TB IDE (not SATA) SSD, I did a fresh install of Ubuntu 23.04 (just Ubuntu, not Kubuntu, Lubuntu or any other flavor) on an old laptop and selected the Light theme during ...
DonP's user avatar
  • 346
0 votes
1 answer
87 views
+50

How does Firefox detect light/dark theme change on KDE systems?

I have a few cron jobs which switch between light and dark themes automatically on my KDE system (for those interested, there's the lookandfeeltool where I simply switch between global light and dark ...
J-Cake's user avatar
  • 165
0 votes
0 answers
11 views

Is there a WACG color contrast checker for terminal?

I searched and found this post that shows how to install a color contrast checker for Ubuntu (for WACG). However, I want to be able to automate the color-checking process as part of a CI/CD pipeline. ...
Saeed Neamati's user avatar
0 votes
1 answer
80 views

Setting the color for warnings from journalctl output

The journalctl command will color-code its messages. From its manual page: When outputting to a tty, lines are colored according to priority: lines of level ERROR and higher are colored red; lines of ...
Bram's user avatar
  • 2,009
0 votes
0 answers
24 views

Problem with dual-monitor color calibration

I'm trying to calibrate my monitors using the recommended procedure: I plug in my colorimeter, open settings, click on color, click on the monitor, click Calibrate... and follow the prompts. ...
mborland's user avatar
1 vote
0 answers
69 views

Folder color not working

I've installed folder color in Ubuntu 20.04, GNOME using: sudo add-apt-repository ppa:costales/folder-color sudo apt install folder-color -y nautilus -q but it only allows me to change emblems, not ...
geofisue's user avatar
0 votes
1 answer
142 views

How do I script changing the color scheme in gnome-terminal?

How do I script changing from the light mode to the dark mode? In it GUI I do this: preferences>profiles>Unnamed>Colors>Bultin-in schemes (here I choose either black-on-white or white-on-...
John Smith's user avatar
1 vote
1 answer
229 views

How to make redshift even more red in Ubuntu MATE 22.04? [duplicate]

I am using Ubuntu MATE 22.04. Towards night, redshift sets a color temperature of 4500K. How to reduce the color temperature even further? Unlike the Night Light feature in GNOME/KDE, Redshift does ...
Archisman Panigrahi's user avatar
0 votes
0 answers
23 views

rare submenu behaviour

I use Ubuntu Studio 22.04.1 LTS. Since a while (a month, or something) I can see a very rare behaviour of the submenu of some apps. Normally, I hope to get a standard list, with grey (or something but ...
Juan's user avatar
  • 1,737
2 votes
0 answers
124 views

How to change color in the app switch window in Ubuntu 22.04?

When I switch between applications using ALT + TAB, a small window appears in the middle of the screen and lets me choose another application. My problem is that the color of the highlighted ...
user153245's user avatar
0 votes
0 answers
24 views

Vim on Konsole turns selected word invisible

Recently (I would say, after the last big KDE Neon update) whenever I use Vim on Konsole, when I put the cursor at the start of a word the word turns invisible, or rather it becomes the same color as ...
dixego's user avatar
  • 1
0 votes
0 answers
19 views

Terminal color differences in AWS vs Azure Ubuntu VMs

I am seeking for some help. I have AWS VMs with Ubuntu 20.04 LTS and when I am using SSH I have nice colorful terminal. On the other side Azure VMs with Ubunu 20.04 LTS are almost without any color in ...
Mi1anovic's user avatar
1 vote
0 answers
20 views

What does a blue Wavelan plugin icon mean?

The Wavelan icon on my panel is sometimes blue and sometimes white. I am just curious as to what the two colors mean, or if there are other colors that ever show up. I am running 64-bit Xubuntu 22.04....
massasauga's user avatar
0 votes
0 answers
40 views

Change Blank Space Color of Scaled Wallpaper

If you set your wallpaper that is not the same scale as your screen, and set it to scaled mode on gnome-tweaks. You get a wallpaper with blank spaces. In windows, this blank spaces could be filled ...
Ali Ahmad Fahrezy's user avatar
1 vote
1 answer
145 views

What does blue highlighted text mean?

This is what I see when I run ls in /var/mail: I am asking about those vbk files in particular. Google is telling me that it's an executable, but it can't be. They should be log files. All the other ...
hijimbob's user avatar
0 votes
0 answers
143 views

Is there an alternative to Redshift that allows for more customization like exact times where the display starts to shift color & transition duration?

I am very new to Linux, so I apologize if my question is obvious to many people. I don't know if this is relevant, since I am still learning, but I am using the distro "pop! OS", which is ...
baksoBoy's user avatar
-1 votes
1 answer
127 views

The second screen with hdmi displays incorrect colors

When I connect a monitor by HDMI cable with my laptop a faced a problem with Color that not compatible with laptop screen.
ElsayedDev's user avatar
1 vote
0 answers
125 views

Washed out colors on Ubuntu 20.04?

I have a seemingly common issue with washed out colors on Ubuntu. I'm using HDMI 2.1 and things were fine until today, and all of the sudden after disconnecting the cable and reconnecting colors ...
Edy Bourne's user avatar
0 votes
0 answers
244 views

Accent Colors not Changing Shell Theme and Certain Applications

Hello everyone I just upgraded to 22.04 LTS and I noticed that the accent color changer only applies to the application theme and icon theme, but not the GNOME UI Shell theme. The corresponding shell ...
AlexFullinator's user avatar
0 votes
2 answers
2k views

How to change display pixel format from YCbCr 4:4:4 to Full RGB 4:4:4

My monitor is displaying everything in pink-green color I had same issue in Windows but fixed it by changing display's pixel format from YCbCr 4:4:4 to Full RGB 4:4:4 in AMD Radeon software. But how ...
Habibur Rahman's user avatar
1 vote
0 answers
147 views

How can I reset the Cinnamon Desktop to its default colour scheme?

Shortly after upgrading to Ubuntu 22.10 with Cinnamon Desktop, I somehow inadvertently ended up with a rather tacky blue-green tinted colour theme, which I have been unable to change. The tint is ...
alchap's user avatar
  • 51
0 votes
0 answers
96 views

Vim Color scheme only works with sudo

Installed Gruvbox Material theme for vim. But color scheme does not load with normal vim, only sudo vim. Have tried with stock color schemes as well: none display correctly normal vim, only display ...
defcon's user avatar
  • 1
7 votes
2 answers
2k views

How to have light theme with dark window titlebar on Ubuntu 22.04?

I have updated my Ubuntu to 22.04.1 version and with this new version of gnome I can't change the color of Window Title Bar. So, in the older version, the Yaru theme (example) the title bar looks like:...
kran1um's user avatar
  • 173
0 votes
0 answers
39 views

Can I change the character colors that is used in ctags candidate listing?

When I use a certain theme in my 'terminator' setting, the tag candidate list uses colors that I don't want so I can't see them clearly when I'm working remotely. The figure is like this. How can I ...
Chan Kim's user avatar
  • 1,663
1 vote
0 answers
201 views

Can I change the mouse pointer color?

I'm faced with a small but long-time nuisance. I frequently work remote from home using google remote desktop. I connect to my windows 10 PC and there I use vnc client to connect to my ubuntu 20.04 ...
Chan Kim's user avatar
  • 1,663
-2 votes
1 answer
138 views

These icons are automatically changed like this. How can I remove these and replace original icon? in ubuntu 22.04.1

I want to reset it back to the way it was.
Thet Pai's user avatar
0 votes
1 answer
205 views

Color saturation issue with Ubuntu 22.04 (and lower versions) + Samsung Smart TV

I'm having some display issues with the next software and hardware combinations: OS: Ubuntu 22.04 (and other versions of Ubuntu) Graphics card: AMD Radeon RX 5500 XT Screen: Samsung UE32N4300 All ...
Dani J. Coello's user avatar
2 votes
1 answer
523 views

Why are my screen colors slightly more saturated on X11 than Wayland?

I'm running Ubuntu 22.04.1 on my 2012 MacBook Air 11 inch with a Core i7-3667U (with Intel integrated graphics). I use a custom ICC color profile when running Linux because the default colors are very ...
ARS's user avatar
  • 31
0 votes
0 answers
111 views

Change accent colors options not available after upgrade to Ubuntu 22.04

I recently upgraded my OS from 20.04 to 22.04 (Jammy), and the accent colors that come as default in 22.04 is not available in my settings. This is an image Screenshot of my settings
Abass Abdul Wahab's user avatar
0 votes
0 answers
37 views

File for background color

I need to find the file that controls the colors around the wallpaper image. Specifically when that image is scaled and there is a black border on the left and right side of the wallpaper image (See ...
ishikuUltra's user avatar
2 votes
1 answer
736 views

How can I get a proper dark mode working for Kate?

I can't seem to be able to get a proper dark mode working for Kate. The system is in dark mode, as configured in Settings -> Appearance -> Style. In Kate, the default color scheme is Breeze Dark,...
Tuomas's user avatar
  • 21
1 vote
1 answer
233 views

Any way to bring back the accent colored close button from 20.04 and previous in newer versions?

Accented Close Button in 20.04 Unaccented close button on 22.04 I was excited about the added ability to change the accent color without needing a custom theme, one of the prominent spots to see said ...
user3113138's user avatar
0 votes
1 answer
252 views

Kubuntu 22.04 - konsole / bash no colors

I have a fresh kubuntu 22.04 installation. In konsole all characters are displayed in the same color. I used different color schemes but only one color is used. I noted that in 22.04 the ~/.bashrc ...
Mirto Busico's user avatar
0 votes
1 answer
558 views

How to change font color in Ubuntu 22.04?

I want to change my system font to green lime.
The Razib's user avatar
0 votes
0 answers
34 views

Ugly colors when secondary display connected

I have lenovo x220t laptop and when I boot ubuntu 20.04 LTS or 22.04 LTS, I get these ugly and flickering colors on my laptop screen whenever I have a secondary monitory connected to DisplayPort. The ...
Juraj Kristofik's user avatar
3 votes
1 answer
683 views

Color glitches in Chrome on ubuntu 22.04

I recently installed Ubuntu 22.04 using VMware workstation 16. Then I installed google chrome and noticed color glitches. There would be a random blob of color would appear and block me from viewing ...
Binomial's user avatar
0 votes
0 answers
86 views

Not-Colorful Screen

I am using Ubuntu 20.04, and my screen isn't colorful. I thought that I would go to the Color section in the settings app to choose a more colorful color profile, but apparently there is no such thing ...
AlexFullinator's user avatar
4 votes
1 answer
4k views

How to Change System Colors in Ubuntu 22.04

How does one change or customize the system / GUI colors and other properties (fonts, title bars, sliders, borders) for Ubuntu 22.04? I have rooted around looking for the GUI app that one would ...
ebsf's user avatar
  • 449
0 votes
2 answers
2k views

Changing bash terminal color and setting it back to default?

I found this command to change the background color to back: echo -ne '\e]11;#000000\e\\' So, how to I make it to change the default again? Thanks :3
Adrián Núñez Martínez's user avatar
0 votes
0 answers
174 views

Command line: changing white balance & contracts of screen

I have I got modded Lenovo x230 with FHD screen via dock connection with board. One of the thing is, that colors are little off. Before reinstalling my OS, I had command line (I forgotten) which I use ...
Tomas's user avatar
  • 21
0 votes
1 answer
211 views

How to improve monitor saturation?

Recently I have installed Ubuntu on my laptop and noticed that colors are very dull and washed out and the color calibration option is grayed out. -GPU: Intel UHD 620 -Ubuntu 22.04 LTS -monitor: built ...
isntthatweird's user avatar
0 votes
0 answers
41 views

Lubuntu 20.04 video streaming: colours too pale

Live streams of tv stations are paler than the actual tv programme. This seems to hold true for streaming in browsers (Firefox and Google Chrome) as well as VLC streams. I have Lubuntu 20.04 (lxqt ...
bpn's user avatar
  • 33
0 votes
1 answer
184 views

Colouring grep pattern match with a preferred colour

I am using the following pattern matching to colour in a preferred colour using tput. | sed -r $"s/^==> .* <==$/$(tput setaf 46)&$(tput sgr0)/" I wonder if I can do a similar ...
Red's user avatar
  • 3
1 vote
5 answers
3k views

Upgrading to 22.04 printer doesn't works in Color

After Ubuntu upgrade to 22.04, the printer Nashuatech Aficio MPC2051 print only in Black/White and doesn't print in COLOR mode: I tried to reinstall drivers. In Ubuntu printer setup if i select 'Color'...
Emilio's user avatar
  • 1,901
6 votes
0 answers
189 views

Alt + Tab - selected application hard to see 20.04.4 LTS

When using alt+tab or system+tab, I see icons of active applications. (Nearly, image with gimp, key printscreen don't work during alt+tab.) icons, selected icon with dark grey background Selected icon ...
Rolf's user avatar
  • 69
1 vote
2 answers
2k views

Color settings missing from Ubuntu 22.04

After installing Ubuntu 22.04 the colours on the laptop's monitor don't look right (they are pinkish compared to the external monitor). According to this answer you need to change the colour profiles. ...
iasonas's user avatar
  • 11
16 votes
3 answers
12k views

Ubuntu 22.04 shows wrong colors

Before opening a bug I would like to know if anyone else has the following Update from 18.04 to 22.04 with exactly the same hardware, nvidia GTX 1050ti graphics card and same monitor, while in 18.04 ...
Mario's user avatar
  • 749
-3 votes
1 answer
76 views

Printing with colour codes

I want to write some text in colour from a bash script, but the string " -s, --with-sequence" is not getting printed. local rc="\e[0m" local bfcode="\033[0;49;33m" local ...
Hovlar's user avatar
  • 41
2 votes
1 answer
1k views

How to use HdyStyleManager:color-scheme?

WSL version: 0.58.3.0 Kernel version: 5.10.102.1 WSLg version: 1.0.33 Description: Ubuntu 22.04 LTS Release: 22.04 Codename: jammy When opening some programs, e.g. nautilus, I get the ...
Eigil Krogh Sorensen's user avatar
0 votes
1 answer
3k views

How do I calibrate Laptop screen in Ubuntu 22.04 OR How do I know what my current Color profile is?

I am using Ubuntu 22.04 LTS on an HP Laptop. In Settings, there is a section for Colors under which my Laptop Screen is Not calibrated and when I try to Calibrate it, the button is greyed out, as ...
S_H_'s user avatar
  • 21

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